19671

Appears in sequences

• Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1,0.at n=5A037753
• Indices of primes in sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 53 for n > 0.at n=11A101717
• a(n) = (1/2)*(n^3 - 6*n^2 + 13*n - 6).at n=35A158498
• a(n) = 16*n^2 + 2*n + 1.at n=35A204675
• Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.at n=24A219768
• a(n) = Sum_{k=1..n} k * tau(k)^2, where tau is A000005.at n=39A320896